package net.bwie.realtime.jtp.dws.log.function;

import net.bwie.realtime.jtp.dws.log.bean.PageViewBean;
import net.bwie.realtime.jtp.utils.DateTimeUtil;
import org.apache.flink.streaming.api.functions.windowing.WindowFunction;
import org.apache.flink.streaming.api.windowing.windows.TimeWindow;
import org.apache.flink.util.Collector;

public class PageViewReportWindowFunction implements WindowFunction<PageViewBean, String, String, TimeWindow> {
    @Override
    public void apply(String s, TimeWindow window, Iterable<PageViewBean> input, Collector<String> out) throws Exception {
        String windowStart = DateTimeUtil.convertLongToString(window.getStart(), "yyyy-MM-dd HH:mm:ss");
        String windowEnd = DateTimeUtil.convertLongToString(window.getEnd(), "yyyy-MM-dd HH:mm:ss");

        // 获取窗口中计算结果
        PageViewBean bean = input.iterator().next();
        long pvCount = bean.getPvCount();
        long pvDuringTime = bean.getPvDuringTime();
        long uvCount = bean.getUvCount();
        long sessionCount = bean.getSessionCount();

        // 输出
        String output = windowStart + "," + windowEnd + "," + s
                + "," + pvCount + "," + pvDuringTime + "," + uvCount + "," + sessionCount
                + "," + System.currentTimeMillis();
        out.collect(output);
    }
}
